Sabin frank brown



(No Model.)

S. F. BROWN.

GAGE.

Patented Apr. 19, 1892.

WITNESSES UNi'rn grates ATENT OFFicE.

SABIN FRANK BROWN, OF DENVER, COLORADO.

GAGE.

SPECIFICATION forming part of Letters Patent No. 473,290, dated April 19, 1892.

Application filed uly 22, 1891. Serial No. 400,273. (No model.)

To all whom it may concern:

Be it known that I, SABIN FRANK BROWN, of Denver, in the county of Arapahoe and State of Colorado, have invented anew and Improved Gage, of which the following is a full, clear, and exact description.

The object of the invention is to provide a new and improved gage which is simple and durable in construction, designed more especially for use on sheet-metal shears and other cutting-machines and arranged to gage for straight worksuch as is done by the ordinary gage or for angular cutswithout turning the sheet over for cutting successive sections.

The invention consists of certain parts and details and combinations of the same, as will be fully described hereinafter, and then poin ted out in the claims.

Reference is to be had to the accompanying drawings, forming a part of this specification, in which similar letters of reference indicate corresponding parts in all the figures.

Figure 1 is a plan view of the improvement as applied. Fig. 2 is a sectional side elevation of the same on the lineac acof Fig. 1, and Fig. 3 is a plan view of the several sections cut from a single sheet.

The improved gage is provided with a guide A, extending transversely over the table B of the cutting-machine, provided with the usual cutting mechanism 0, arranged transversely in line with the guide A. On each end of the guideAis arranged a transversely-extending slot D, through which passes abolt E, held adjustably in the longitudinal slots F of the table B and serving to fasten the guide A to the table after the guide has been placed in the proper position relative to the knife 0 and according to the length of the sheet-metal section to be out.

In the middle of the guide A screws a thumb-screw G, passing through a slot H, formed in an arm H, adapted to be adjusted on the said screw and fastened in place by the latter after adjustment, as hereinafter more fully described. On the front end of the arm H is arranged a pivot I, on which is hung a face-plate J, adapted to rest with its outer ends J 'on the front edges A, formed near the ends of the guide A. The back J 2 of the faceplate J is adapted to engage an angular or V- shaped edge A extending between the edges A at the middle of the guide A.

WVhen it is desired to cut straight sections from metal sheets, the face-plate J rests with its back on the front edge of the guideA, the said face-plate being held in place by the screw G screwing onto the arm H, the latter then being in its rearmost position.

When it is desired to make angular cuts, as illustrated in Fig. 3, the screw G is loosened and the arm H is moved forward until the face-plate J is swung into an angular position corresponding to the cut intended to be made on the sheet metal, it being understood that one outer end J of the said face-plateJ rests on the corresponding end A of the guide A. (See Fig. 1.) -When the face-plate is in the desired angular position ,the screw Gis screwed up, so as to fasten the arm H in place on the guide A. Now it will be seen that the faceplate J is free to swing on the pivot I, so that after the first cut is made by the cutting device O the operator pushes the remaining part of the metal sheet inward against that end of the face-plate J away from the corresponding end of the guide A. This movement of the sheet causes the face-plate J to swing into an opposite position, its angle, however, being the same as the one it had for the previous section, so that when the metal sheet is now out the same angle is produced at the opposite end. Thus a number of sections can be cut from one metal sheet without turning the plate over, as has to be done in machines now constructed and used.

Having thus described my invention, I claim as new and desire to secure by Letters Patent 1. A gage having a centrally-pivoted faceplate free to vibrate in either direction and a transverse stop or guide-bar behind the faceplate and serving at its ends to limit the swinging movement of the face-plate in either direction.

2. A gage having a centrally-pivoted faceplate free to vibrate in either direction and a transverse laterally-movable stop or guide-bar serving at its ends to form stops for the faceplate ends, whereby the gage as a whole may be brought to the desired position and the angle at which the face-plate is free to swing determined by regulating the distance of the face-plate from the stop or guide-bar, substantially as set forth.

A gage comprising a guide-bar havinga forwardly-projecting central arm and a faceplate pivoted at its center to the end of the said arm to vibrate freely in either direction, its movement in either direction being limited by its ends contacting with the guide-bar, whereby when the work is placed against the face-plate and swung in either direction the face-plate will move with the work until one of its ends strikes the guide-bar, substantially as set forth.

4. A gage comprising a guide-bar having a longitudinally adjustable transverse arm crossing its center at right angles and a faceplate centrally pivoted to the forward end of the said arm to vibrate freely in either direction, the ends of the guid e-bar serving to limit the rearward movement of the faceplate, whereby the angle of the face-plate may he changed'at will by adjusting its axis toward or from the guide-bar, substantially as set forth.

5. A gage comprising aguide-bar having its inner edge between its ends cut away, as at A and having its inner face at its ends straight, as shown at A A, the face-plate having its inner edge shaped to correspond with the adjacent edge of the guide-bar, as shown at J J J a longitudinally-adjustable arm mounted 011 the center of the guide-bar and pivoted to the center of the face-plate,

and means for adjusting the gage as a whole toward and from the device with which it is to be used, substantially as set forth.

6. The combination, with the table having a transverse slot C and two parallel slots F F, of the transverse guide-bar, the adjusting bolts or screws extending through the ends of the bar and the slots F, the slotted arm I'I, crossing the center of the guide-bar, the setscrew extendingthrough the slotted arm into the center of the guide-bar, the freely-vibrating face-plate pivoted at its center to the arm H, the ends of the guide-bar serving as stops for the ends of the vibrating faceplate, substantially as set forth.

SABIN FRANK BROWN. \Vitnesses:

J. G. GLENDINNING, PAUL l3. GAYLORI). 

